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Nick Haigh
ParticipantI could potentially estimate an R magnitude from my 610 longpass data? Its not ideal but probably close-ish. Would this be useful? Not sure how I’d get magnitudes for the comparison field stars….
Are we thinking this might be an extremely elongated object?!!!
Nick Haigh
ParticipantNo such complications. You just select from the drop down – ASTAP has already determined which objects are in the field of view. It uses the standard Allcometels.txt file (which it downloads every now and again, like Cartes du Ciel etc) to figure out where everything is.
It is first and foremost a plate solver, and its lightning fast. It does everything. Han the developer is really cool and adds features if you ask nicely, sometimes next day!
Its easy to use. You’ll love it.
https://www.hnsky.org/astap.htm
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Nick Haigh
ParticipantI use ASTAP. free and will stack on the ephemeris of any object in the field. Here’s 0T 12/7/25.
2 hours,baader 610 filter.
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Nick Haigh
ParticipantAnd still much the same last night (9th-10th).
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Nick Haigh
ParticipantPic from last night ~00:00ish on 9/7/25. 2 hours with a baader 610 R+IR filter to combat moonlight, and daylight!
Looks much the same.
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This reply was modified 2 weeks, 2 days ago by
Nick Haigh.
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Nick Haigh
ParticipantInfrared image from night of 3rd-4th. No sign of coma.
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Nick Haigh
ParticipantImage attached! – about 90 mins of 10sec unfiltered subs with the 12″ newt and ASI294MM camera. Looks diffuse in one direction, but i dont quite trust my collimation, so im not calling it just yet!!!
Image is 3.84′ wide – 0.8″ pixels.
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This reply was modified 3 weeks, 2 days ago by
Nick Haigh.
Nick Haigh
ParticipantI got an ephemeris from a link on cloudy nights earlier and it seems to be perfectly placed, if a bit south at -18deg. Elongation 170degrees, near the galactic centre. Blue sky now and I’m going to image this tonight if its the last thing I do. At mag 18.5 should be a walk in the park, an hour should burn it into the sensor. So excited!
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