Imaged from the "Piggybacked" C6 HyperStar w APS-C sensor on top of the RASA 11 (image can be viewed
here). Full description can also found there.
Observational details:
Backyard setup
scope: C6 HyperStar = 150mm; fl =303mm;
exposure: 27 x 120 sec
Seeing: 4/5
Transparency:7/10
Observer: DEBartlett
Place: June Lake_California USA
Image Info:
Projection ............... Gnomonic
Projection origin ........ [1457.097544 936.725991] px -> [RA: 17 19 40.383 Dec: -18 37 17.00]
Resolution ............... 5.061 arcsec/px
Rotation ................. -0.044 deg
Reference system ......... ICRS
Observation start time ... 2024-02-12 12:49:49 UTC
Observation end time ..... 2024-02-12 12:51:49 UTC
Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m
Focal distance ........... 306.49 mm
Pixel size ............... 7.52 um
Field of view ............ 4d 6' 12.8" x 2d 38' 14.2"
Image center ............. RA: 17 19 40.385 Dec: -18 37 17.02 ex: -0.005242 px ey: -0.031477 px
Image bounds:
top-left .............. RA: 17 28 12.628 Dec: -17 17 56.82 ex: -1.255615 px ey: -1.088317 px
top-right ............. RA: 17 11 08.124 Dec: -17 17 56.40 ex: +1.380063 px ey: -1.136549 px
bottom-left ........... RA: 17 28 20.438 Dec: -19 55 08.49 ex: -1.316368 px ey: +0.233860 px
bottom-right .......... RA: 17 11 01.162 Dec: -19 55 00.36 ex: +1.002252 px ey: -0.001197 px
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