10p 20260709 dbartlett

Project Notes:

    Dusty 3 x 2 degree starfield on the border of Aqr and Cap.

    A little over 5 hours integration time

    Brightness measured at mag 8.7

    Orbital dust lane clearly seen on individual 4minute subs.

    Dust tail larger than last month still oriented to the 4 o'clock position (best seen on inverted color image). 

Observational details:

    Backyard setup

    2xscopes Tandem: RASA11 D = 279mm; fl =620mm; F# 2.2

    camera: asi6200mmP and asi6200mcP

    Seeing: 3/5

    Transparency: 8/10

    Observer: DEBartlett

    Location: June Lake, California, USA

Image Info:

(All images processed solely using PixInsight and Comet Photometry Tycho-Tracker)

    Full Frame Resampled 2x2

    Acquisition...............77x240sec total

    Resolution ............... 2.501 arcsec/px

    Rotation ................. 2.487 deg

    Field of view ............ 3d 10' 28.9" x 1d 51' 23.8"

    Image center ............. RA: 21 15 51.534 Dec: -14 25 29.99

10P (Tempel 2)

ICQ line:

IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxxf InT APERTURcamchip SFW C ## u.uu xx.x PIXELSIZE

10 2026 07 08.37 C 8.7 AR 28.0T 2F960 7.4 ICQ XX BARaeI a240C 7.42mZCP IMX TYT 0 U9*0.13 10.5 2.5s 2.5 Location: June Lake Overlook (MPC U66); Comment: Comet Alt. 35.0