Optical 02 April 2022

From: Greg Roberts via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 3 Apr 2022 09:53:36 +0200
Site 0435 Pinelands (Cape Town,South Africa)
18.5101 degrees east  33.9368 degrees south altitude 25.5 metres

ZWO ASI 174MM cmos camera with new NIKKOR 85mm focal length lens
and aperture f/1.8. Field of view 7.7 by 4.8 degrees, 1x binning and
image scale 19.9 arc sec/pixel. Camera mounted on Celestron SLT
mount supported on outside of apartment window so no longer have to
observe through window glass or dodge window frames. Computer
controlled mount.

Timing provided by Dimension 4 and Network Time Synchronization (NTP) and
hopefully good to better than 0.1 seconds and camera output recorded at
frame time stamped AVI file with frame exposure rate of 20 seconds.
Suitable frame captured and submitted to Nova.Astrometry.Net as a PNG
file, their plate solution solved as a FITS file and required
coordinates read from the FITS file using AstroImageJ.

ASICAP used to produce AVI files in raw8 format.

02 April 2022 CLASSIFIED:
--------------------------
23223 94 054A   0435 F 20220402185841888 17 15 1046317+144944 85
20355 89 090B   0435 F 20220402190304878 17 15 0918390+175102 85


NOTES:
----------
Doing some "experimenting".

Mercury 1 #23223 somewhat off position..moving or moved ?


Cheers
Greg

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Received on Sun Apr 03 2022 - 02:55:05 UTC

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