A follow up comment on my last post....It looks as though this asteroid will pass across the front of the nebula in the near future so an interesting image possible with a spread out series of subs to show the maximum trailing. Unfortunately after tonight my own chances of a decent result are much reduced by the town's Christmas lights. Worth a try if anyone out there feels like attempting it. ( P.S. Found enclosed path prediction here).26.11.11
Potential photo
A follow up comment on my last post....It looks as though this asteroid will pass across the front of the nebula in the near future so an interesting image possible with a spread out series of subs to show the maximum trailing. Unfortunately after tonight my own chances of a decent result are much reduced by the town's Christmas lights. Worth a try if anyone out there feels like attempting it. ( P.S. Found enclosed path prediction here).
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8 comments:
Hi Pete,
I collected 3x 10 minute subs of the NGC1499 area about an hour or so ago. I haven't processed the images yet but have had a look at the raw files. It took me a while to correlate my images with your due to the difference in image scale but I do appear to have detected your unexpected guest. I'm currently collecting further subs of M1, but once I've finished I'll see if there is still time to collect a few more images of this asteroid. 3 hours or so should be enough time to detect the movement based on your previous results.
It will be interesting to compare our results.
Simon
Hi Simon,
I started off on M74 but the Christmas lights were making it impossible to take any deep subs so no worthwhile result there. I started imaging asteroid circa 8.30pm with the Newtonian. It is quite bright and am taking 5 minute subs leaving 10 minute gaps between each sub. Getting into darker part of sky now. Will continue as long as possible for maximum trail....Best of luck with M1.
Pete
Hi Pete,
Sorry to hear the Christmas lights are affecting you once again.....as if we needed additional obstacles to overcome!
Looking at the 3x 10 minute subs I've collected I can already see a small amount of movement. I was also quite surprised how bright it is. According to Wikipedia it's about mag 8.5 and is so large it's almost 1% of the entire mass in the asteroid belt.
This evening (like many other evenings) I've noticed just how much darker the sky background seems to get from about 11pm onwards. I can only imagine it must be people turning off their lights. It might be worth collecting an image right at the end of the evening to see how much difference it makes for you.
Simon
Hi Simon,
Now have 15 subs and still going OK. Amount of movement has been quite surprising so looking forward to seeing what the stack produces. Christmas lights went off @ midnight with immediate improvement in sky darkness.
Pete
Hi Pete,
That's good news. I'm still collecting 10 minute subs of M1. I had planned to stop at 10, but I'm curious to see if the gradual improvement of each sub will continue for much longer. I'm collecting another 5. After that I think I'll collect a few additional subs of your asteroid to see how much it has moved.
Sleep is overrated anyway!
Simon
Hi Simon,
I eventually finished about 1.15am as guiding was getting dodgy post meridian and transparency was deteriorating. Should post results later in day all being well.
Hope you get good result with M1.
Pete
Hi Pete,
I've just seen your results on Eunomia. It appears to have moved quite a bit over the 5 hours you spent imaging it. I think you've got some great results there. I haven't had a chance to process my results yet, and it may be a couple of days before I get around to it.
After finishing with M1 I returned to Eunomia and was able to collect 2x 10 minute subs around 2am. I tried to get a third but by that time my scope was on the very western limit of the mount and the camera just came into contact with the pier. Interestingly it was almost at that exact same time that the guidescope lost its view of the sky as it was obscured by the roof of the observatory. So, I have 3x 10 minute subs collected between 9:00pm and 9:30pm and another 2 taken between about 1:40am and 2:00am. So, whereas you have a whole 5 hour period, I just have the beginning and the end.
Sorry to hear about the problems you had with M74. When I checked its location in Cartes du Ciel I realised it's one that's always going to be obscured from my view as it's too low for me to reach.
Simon
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