10p 20260711 dbartlett

 Integration
No filter
	
81×240?
	
5h 24'
	
11 Jul
	
12%
Equipment
Telescope
	
Celestron RASA 11"
Cameras
	
ZWO ASI6200MC Pro
ZWO ASI6200MM Pro
Mount
	
10Micron GM2000 HPS II
Software
	
Main Sequence Software Sequence Generator Pro (SGP)
Pleiades Astrophoto PixInsight
Objects
14.60
29 Cap
569 Misa
The star 29 Cap
Description

Project Notes:

    Razor sharp orbital dust trail evident in individual 240sec subs.

    Dusty background not as prominent.

    Comet measured at mag 8.9

    5.4 hours of integration time from two RASA11s and full frame cams

    Moving in on Aug 2 (1.42AU) perihelion and Aug 3(0.41AU) closest approach to earth.

    Dust tail harder to pick up (best seen in the 4o'clock position 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: 7.5/10

    Observer: DEBartlett

    Location: June Lake, California, USA

Image Info:

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

    Resampled 2x2

    Acquisition...............81x240sec total

    Resolution ............... 2.504 arcsec/px

    Rotation ................. -0.701 deg

    Field of view ............ 3d 12' 47.5" x 1d 50' 47.6"

    Image center ............. RA: 21 20 36.811 Dec: -15 24 32.34

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 11.38 C 8.9 AG 28.0T 2F 0 8.6 ICQ XX BARaeI a240C 8.60mZCP IMX TYT 0 U9*0.11 10.7 2.5s 2.5 Location: June Lake Overlook (MPC U66); Comment: Comet Alt. 35.1

COD U66

OBS

CATALOG: ATLAS2 - BAND: g (Sun Mag=-26.46)

10x10 20x20 30x30 40x40 50x50 60x60 RSR FC COD

COMET UTC +/- +/- +/- +/- +/- +/- N FWHM C

Page last updated: Sun 2 Aug 05:24:29 BST 2026