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I was wondering about imaging asteroids with a 14" Celestron SCT and a
CCD camera at a local university's observatory. I am interested in a ball park figure of the magnitude for the dimmest asteroidal object one would typically be able to capture. The observatory is on the campus grounds right in the middle of a rather big city and I don't know the make or model of the CCD! Exposure time and tracking accuracy would obviously be critical, right? -- 25° 45' S 28° 12' E GMT+2 |
#2
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You could probably hit 17th magnitude. As I understand it, you should no
longer expect to discover asteroids at this magnitude because Project LINEAR catches them. But for the latest, contact Dennis Di Cicco at Sky and Telescope. "Victor" wrote in message ... I was wondering about imaging asteroids with a 14" Celestron SCT and a CCD camera at a local university's observatory. I am interested in a ball park figure of the magnitude for the dimmest asteroidal object one would typically be able to capture. The observatory is on the campus grounds right in the middle of a rather big city and I don't know the make or model of the CCD! Exposure time and tracking accuracy would obviously be critical, right? -- 25° 45' S 28° 12' E GMT+2 |
#3
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You could probably hit 17th magnitude.
Hi: This is being a bit conservative, I think. 18 - 19 maybe a bit better. Peace, Rod Mollise Author of _Choosing and Using a Schmidt Cassegrain Telescope_ Like SCTs and MCTs? Check-out sct-user, the mailing list for CAT fanciers! Goto http://members.aol.com/RMOLLISE/index.html |
#4
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Michael A. Covington wrote:
You could probably hit 17th magnitude. As I understand it, you should no longer expect to discover asteroids at this magnitude because Project LINEAR catches them. According to the LINEAR website, http://www.ll.mit.edu/LINEAR "The LINEAR program uses a pair of GEODSS telescopes at Lincoln Laboratory's Experimental Test Site (ETS) on the White Sands Missile Range in Socorro, NM." I'll be observing from 25° south latitude, so maybe I'll be lucky enough to image something that is out of reach of LINEAR or the other robotic telescopes in the northern hemisphere! -- 25° 45' S 28° 12' E GMT+2 |
#5
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LINEAR has limited assets, so they are focusing "no pun intended" on high
probability areas. For both comet hunters and asteriod hunters there are opportunities out there. Also since GEODSS is a Govt. program, they do have a lot more money, but upgrades take time to get funded and implement. The commercial CCD technology will probably out pace them in between upgrades ... Any comet/asteriod hunters out there to comment? "Victor" wrote in message ... Michael A. Covington wrote: You could probably hit 17th magnitude. As I understand it, you should no longer expect to discover asteroids at this magnitude because Project LINEAR catches them. According to the LINEAR website, http://www.ll.mit.edu/LINEAR "The LINEAR program uses a pair of GEODSS telescopes at Lincoln Laboratory's Experimental Test Site (ETS) on the White Sands Missile Range in Socorro, NM." I'll be observing from 25° south latitude, so maybe I'll be lucky enough to image something that is out of reach of LINEAR or the other robotic telescopes in the northern hemisphere! -- 25° 45' S 28° 12' E GMT+2 |
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