My brightness measurements through Tycho-Tracker estimates a brightness of mag 7.1. Reminder there are no real comp stars present, individual frame magnitude is 19.0 and the stack is 2.5 hours of this comet.
Observational details:
Backyard setup
2xscopes Tandem: RASA11 D = 279mm; fl =620mm; F# 2.2
camera: asi6200mmP and asi6200mcP
Seeing: 3/5
Transparency: 9/10
Observer: DEBartlett
Location: June Lake, California, USA
Image Info:
(All images processed solely using PixInsight and Comet Photometry Tycho-Tracker)
Resampled 2x2
Acquisition...............37x240sec total
Resolution ............... 2.504 arcsec/px
Rotation ................. -1.100 deg
Field of view ............ 3d 13' 39.0" x 1d 42' 43.8"
Image center ............. RA: 21 40 14.876 Dec: -20 42 41.80
10P (Tempel 2) |
Page last updated: Sun 6 Sep 10:18:18 BST 2026