My first session after
my dad’s accident was a quick shoot of Orion and Jupiter in Taurus.
Thursday, February 28, 2013
Thursday, February 21, 2013
Astronomical activity suspended
My dad is seriously ill after an accident, so no updates for now and then they might be irregular for a while.
Astronomical activity suspended
My dad is seriously ill after an accident, so no updates for now and then they might be irregular for a while.
Wednesday, February 20, 2013
Moon with Jupiter
Conditions were much
more hazy than the day before, so I just snapped the Moon with Jupiter. The
faint traces of Aldebaran and Betelguese can also be seen.
Tuesday, February 19, 2013
Plough Handle
At 2001 GMT, I
attempted to snap the Plough but only caught the handle! Still, it made a nice
sight with the foreground trees.
Monday, February 18, 2013
Evening Photo Shoot
I did a photo shoot of
the Moon and Jupiter at 2045 GMT, after a lot of fiddling.
I stacked four frames
of Orion to produce this image.
An alternative
presentation showed more stars but no colour.
Sunday, February 17, 2013
February 17th observations
I bin scanned the Sun
with small binoculars (7x30) (from Brest,
France)
especially taken for travelling at 1630 GMT but didn’t see any sunspots.
I popped out at 2015
GMT before dinner to do a quick photo shoot. I caught the Moon with Jupiter and
Aldebaran.
I also snapped Auriga,
directly overhead.
Pegasus
The final shot from
August 28th 2011 shows Pegasus. I tried to combine it with the
Andromeda shot but it failed.
Friday, February 15, 2013
Webcam shoot February 15th
At 2315 a patch of sky cleared around Jupiter. I’d been itching to try out a new method of webcamming at F/2.5 (yes, I mean F/2.5) by using the Startravel 80 and Antares focal reducer. I started off doing Jupiter’s moons then moved on to the Pleaides until the battery ran out at 2340 GMT. On stacking the images, I found that Registax 5 worked better on the longer exposures than Registax 6. The Pleaides shot was composed of about 11 imaging runs.
January 2013 Full Report
1st
I reprocessed a solar
close-up from August 19th 2011.
First light of 2013
was a zenith shot taken at 0100 GMT.
I saw some sunspots through the Mak at 1125 GMT and took full disc and
close-up shots.
By contrast when I
checked the Sun at 1150 GMT with my PST, it seemed rather quiet.
After nightfall, I
took zenith shots at 1840, 1920, 2000, 2100, 2200 and 2250. I was intending to
snap the Moon and Jupiter after Match of the Day but when I went out at 2345 it
was clouded over.
The
bottom left quadrant showed a bit of detail, too.
2nd
The next shot from the
August 19th 2011 showed rather more detail in the lower right quadrant.
3rd
It
unexpectedly cleared a little bit at 0025 GMT. Although there was a lot of
moving cloud, I managed to see all Galilean moons (2 on each side), the
Pleiades (M42), Hyades and Orion Great Nebula (M42) with my 15x70
binoculars. I also split Alcor and
Mizar. I hoped the Plough area might throw up a Quadrantid but didn’t see any.
I saw a mag 0 sporadic meteor flash northwards through Auriga.
4th
It cleared (albeit partially)
in the early evening and I had a strangle impulse to see Jupiter in less than
ideal conditions. I was out at 1750 GMT when twilight had almost gone. At low
magnification (48x), Jupiter showed the two main cloud belts and five apparent
moons and it was far from obvious which one was the background star. I took
some snaps through my compact digital camera.
I was struggling
somewhat with my webcam (SPC880) and I tried hard to use a mask for focussing
but guessed there wasn’t enough light getting through (not usually a problem
for Jupiter). Following some discussions on forums, I tried using a frame rate
of 10 per second, although it conflicted with my own ideas. I used a 2x Barlow
lens with the webcam.
6th
7th
I
combined the close-up from the day before with four other images to obtain
another shot of the same region.
8th
9th
10th
11th
A lunchtime binocular
scan at 1340 GMT showed the Sun unusually active.
January 12th
Another 5 images were
used to produce another image of Plato.
January 13th
Having sorted out one
or 2 chores, I had another go at the Sun with my PST at 1140 GMT. It was quite
incredible in the clearer conditions with some activity all over the disc. The
sunspot region looked quite amazing and I could see a small prominence. I took
full disc shots and close-ups of the sunspot area and prominence area.
At 1150 GMT, I did a
full disc imaging run with the Maksutov but could only capture a few frames
before the battery ran out. 4 frames were stacked with Registax 5 (Registax 6
“froze”) and further processing was done using Paintshop Pro and GIMP.
At 1200 GMT I was
webcamming the Sun with the Mak and SPC880. I started off with the 2x Barlow
lens but seemed to get sharper sunspots without it. I managed to see a lot of
detail on the laptop screen, with the sunspots showing irregular patterns and
penumbral shading.
As it turned out, the
shots without the Barlow lens worked best and the others I discarded. I tried
to stitch and stack the files I obtained from Registax but was unable to get
higher resolution, so here are the results.
15th
I spotted Venus just
above the horizon from the car on the way to work.
At lunchtime I bin
scanned the Sun and it looked rather different from the view on 13th
but still very active.
I was hoping to start
on the Moon earlier but, unfortunately, had to take my daughter to Casualty. At
least she wasn’t as bad as feared and the Moon was still there at 2000 GMT,
although getting lower. I did some full disc shots and some close-ups with the
webcam, without the 2X Barlow lens. The full disc image was the best 5 of 10
frames.
The first photo from
the webcam runs is a mosaic of 3 stacked imaging runs from Registax 5 combined into a single image using
Microsoft ICE, with further processing done using Paintshop Pro and GIMP.
The second image
consists of the result of a single imaging run.
The third image was
composed from 2 separate imaging runs.
The fourth picture was
taken from a single imaging run.
The next picture was
also taken on a single imaging run.
The mid-region near
the terminator showed a lot of detail from a single run.
18th
August 21st
2011 was a very prolific day and the next sequence of reprocessed shots feature
the Sun in hydrogen alpha light, starting with the full disc.
In the absence of
clear sky, I decided to revisit the Jupiter shots of earlier in the month. I
experimented with splitting channels and was amazed to see the blue channel
show the most detail.
19th
20th
23rd
This is the third
close-up of the solar hydrogen alpha sequence of August 21st 2011.
24th
I noticed that the
sunspot group I captured earlier in the month reminded me of some of the
galaxies I had seen. I reprocessed the best close-up to produce a fake galaxy
cluster.
25th
I checked the Sun with the bins early
morning and couldn't spot activity. The Big Bear images looked quite bland, too.
I returned out at 1040 GMT with a telescope and camera.
I only saw and
captured two sunspots but it was just nice to be out again. Usual method with
the Maksutov. Considered the spots too small to want to attempt webcamming
them.
27th
On August 21st
I also took a shot of the solar disc through my Maksutov using the normal
capture and processing procedures.
28th
I took a close-up of
the sunspot region to show more detail.
In the Portugese
evening at 1930 GMT I took an overhead shot and it showed Perseus, Cassopiea
and the Pleaides.
I was out again at
2100 snapping the Moon through my binoculars. It was past full but Tycho’s rays
were still dominating the moonscape and there was some terminator detail near
Mare Crisium.
29th
I took a close-up of
another region from August 21st 2011.
I did a series of
constellation shots from 1900 to 1930 GMT. The eastern sky was covered by cloud
but the area surrounding Orion seemed quite promising, so I decided to
concentrate there. In the first shot, Lepus and Canis Minor are also visible.
Although I couldn’t
see the other stars in Canis Major (apart from Sirius) the main ones came out
in the photo, even though it was low in the sky.
I also took a second
shot of Orion, which I thought was better.
The Gemini shot showed
the constellation at a different angle from what we see in the UK.
31st
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