2022-08-22, 10:09 AM
Okay, after an unexpected delay (some friends lobbed in unannounced) I have managed to process some of the 2019 AV13 data from 20 Aug 2022.
This is a 1600x1200 crop from a 60 sec exposure tracking on 2019 AV13 so the star trails are "60 secs" long.
The 60 sec image file was taken at 2022-08-20T11:41:29.594 UTC.
I measured the J2000 coordinates of 2019 AV13 to be:
RA (2000.0): 19h 57m 59.2s
Dec (2000.0): +07° 56' 56".
Image Scale: 0.6910 arcseconds/pixel
Position Angle: 1° 29' from north through east.
On the images that I recorded tracking at the sidereal rate so 2019 AV13 would appear as short dashes, I could barely make out the trail as I blinked the frames and some required imaginary averted vision to detect a possible trail, so these were not really usable.
Tak Mewlon 210 F11.5, Tak x0.8 Reducer, QHY268M CMOS Camera.
Single 60 sec exposure.
Effective Focal length approx. 2150mm due to the spacing of the Reducer/Camera.
Cheers
Dennis
This is a 1600x1200 crop from a 60 sec exposure tracking on 2019 AV13 so the star trails are "60 secs" long.
The 60 sec image file was taken at 2022-08-20T11:41:29.594 UTC.
I measured the J2000 coordinates of 2019 AV13 to be:
RA (2000.0): 19h 57m 59.2s
Dec (2000.0): +07° 56' 56".
Image Scale: 0.6910 arcseconds/pixel
Position Angle: 1° 29' from north through east.
On the images that I recorded tracking at the sidereal rate so 2019 AV13 would appear as short dashes, I could barely make out the trail as I blinked the frames and some required imaginary averted vision to detect a possible trail, so these were not really usable.
Tak Mewlon 210 F11.5, Tak x0.8 Reducer, QHY268M CMOS Camera.
Single 60 sec exposure.
Effective Focal length approx. 2150mm due to the spacing of the Reducer/Camera.
Cheers
Dennis