Uploaded by

BAA Comet Section

Observer

dbartlett

Observed

2026 Aug 03 - 00:00

Uploaded

2026 Sep 06 - 09:13

Objects

10P Tempel

Planetarium overlay

Constellation

Piscis Austrinus

Field centre

RA: 21^h52^m
Dec: -25°14'
Position angle: -2°09'

Field size

3°09' × 1°48'

Full filename

10p/10p_20260803_dbartlett.png

Target name

10P Tempel

Title

Project Notes: Moonlight still persistent. Broad dust tail sweeping upper right from the 2 o'clock pos. Dust trail continues to be seen, razor sharp and with ease. Secondary broad dust trail difficult, if not questionable, might be viewed on the right side of comet trail (Negative color image https://app.astrobin.com/i/mzdxmh?r=C ) Measured brightness without comp stars with moonlight, measured at 8.7 mag. Observational details: Backyard setup 2xscopes Tandem: RASA11 D = 279mm; fl =620mm; F# 2.2 camera: asi6200mmP and asi6200mcP Seeing: 3.5/5 Transparency: 7.5/10 Heavy Moonlight! Observer: DEBartlett Location: June Lake, California, USA Image Info: (All images processed solely using PixInsight and Comet Photometry Tycho-Tracker) Resampled 2x2 Acquisition...............271x45sec total Resolution ............... 2.502 arcsec/px Rotation ................. -2.191 deg Field of view ............ 3d 9' 59.3" x 1d 38' 29.8" Image center ............. RA: 21 52 49.741 Dec: -25 14 51.87 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 08 03.33 C 8.7 AR 28.0T 2C465 3.5 9.7m281 ICQ XX BARaeI a315C 3.50mZCP IMX TYT 0 U9*0.08 8.7 2.5s 2.5 Location: June Lake Overlook (MPC U66); Comment: Comet Alt. 25.5 COD U66 OBS CATALOG: ATLAS2 - BAND: r (Sun Mag=-26.93) 10x10 20x20 30x30 40x40 50x50 60x60 RSR FC COD COMET UTC +/- +/- +/- +/- +/- +/- N FWHM CAT ------------ ------------------- ----- ----- ----- ----- ----- ----- ---- ---- --- 10P 03/08/2026 08:02:12 11.36 10.77 10.45 10.22 10.04 9.91 165.2 16.5 U66 10P 03/08/2026 08:02:12* 0.07 0.07 0.07 0.07 0.07 0.07 77 21.7 ATL AFRHO LOG COMET UTC DELTA r AP " MAG RSR CM +/- AFRHO OBS ------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- --- 10P 03/08/2026 08:02:12 0.41 1.42 66.61 9.82 165 614 81 2.788 U66 _._,_._,_