13p 20240801 dbartlett

A slight thinning of the plasma tail within comet 13P/ Olbers as the tail bows slightly upwards.  Olbers continues to be an easy target in 18 x 50IS binoculars with its continued fan shape observed and a concentration in its nucleur region.  No plasma tail extension noted to date visually.
Dan
 
 
 
Full Resolution:
https://astrob.in/fka2ou/B/
 
 
 
Backyard setup
scope: RASA 11  fl620mm D279mm
exposure: 31 x 60 sec 
Seeing: 3/5
Transparency: 7/10 noctilucent clouds
Observer: DEBartlett
Place: June Lake_California USA (Altitude +7700ft)
 
Image Info (Processed ):
(All images processed solely using PixInsight)
Projection ............... Gnomonic
Projection origin ........ [2321.887839 1531.010150] px -> [RA: 11 23 05.749  Dec: +35 23 55.36]
Resolution ............... 2.509 arcsec/px
Rotation ................. 1.601 deg
Reference system ......... ICRS
Observation start time ... 2024-08-01 04:34:38 UTC
Observation end time ..... 2024-08-01 05:22:59 UTC
Geodetic coordinates ..... 119 04 46 W  37 46 51 N  2434 m
Focal distance ........... 618.24 mm
Pixel size ............... 7.52 um
Field of view ............ 3d 14' 11.4" x 2d 8' 2.3"
Image center ............. RA: 11 23 05.762  Dec: +35 23 55.58  ex: +0.165684 px  ey: +0.199424 px
Image bounds:
   top-left .............. RA: 11 31 17.140  Dec: +36 24 13.47  ex: +0.807318 px  ey: -1.056452 px
   top-right ............. RA: 11 15 11.327  Dec: +36 29 32.08  ex: -2.493299 px  ey: -1.603421 px
   bottom-left ........... RA: 11 30 46.894  Dec: +34 16 24.43  ex: +0.910833 px  ey: +0.443314 px
   bottom-right .......... RA: 11 15 06.252  Dec: +34 21 33.72  ex: -2.167691 px  ey: +0.367758 px