12p 20231204 dbartlett

_12P_Pons_Brooks_C14HyperStar_asi2600mcP_126x30sec_2023_12_04_184135PST_JuneLake_California_USA_DEBartlett
 
An exceptional night of astrophotography where the final stack, straight from WBPP in PixInsight, showed the average star size to be 2.47FWHM, even with the presence of Vega.  Still, processing was a beast due to the ghosted blue reflection of Vega in random places through out the FOV. 

Full Resolution:  https://astrob.in/2qqyw4/B/
 
Observational details:
Backyard setup
scope: C14HyperStar D = 356mm; fl =729mm; 
exposure: 126 x 30 sec 
Seeing: 5/5
Transparency: 9/10 
Observer: DEBartlett
Place: June Lake_California USA
 
Image Details (both):
Projection ............... Gnomonic
Projection origin ........ [2001.532715 1649.803037] px -> [RA: 18 35 10.733  Dec: +38 40 22.60]
Resolution ............... 1.065 arcsec/px
Rotation ................. -3.093 deg
Reference system ......... ICRS
Observation start time ... 2023-12-05 02:41:35 UTC
Observation end time ..... 2023-12-05 02:42:05 UTC
Geodetic coordinates ..... 119 04 46 W  37 46 30 N  2357 m
Focal distance ........... 728.47 mm
Pixel size ............... 3.76 um
Field of view ............ 1d 11' 2.8" x 58' 33.3"
Image center ............. RA: 18 35 10.735  Dec: +38 40 22.65  ex: +0.058684 px  ey: -0.013745 px
Image bounds:
   top-left .............. RA: 18 38 05.409  Dec: +39 11 21.66  ex: -1.466555 px  ey: -1.297666 px
   top-right ............. RA: 18 31 59.879  Dec: +39 07 29.19  ex: +0.557526 px  ey: -0.792952 px
   bottom-left ........... RA: 18 38 18.913  Dec: +38 12 56.09  ex: -2.461983 px  ey: -0.333546 px
   bottom-right .......... RA: 18 32 18.447  Dec: +38 09 07.84  ex: -0.095452 px  ey: +0.176718 px
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Page last updated: Mon 16 Sep 11:37:07 BST 2024