Cassiopeia Observatory logo
Cassiopeia Observatory closed

Milky Way Globular Clusters Project

Posted: 3 July 2026

Open: Thursday, 2 July 2026, 1821 MST
Temperature: 90°F
Session: 2151
Conditions: Clear, breezy

Equipment:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece

Camera:
D850 DSLR

1827 MST: LX600 ON, StarLock OFF, High Precision OFF.

Viewed Venus, 102X. Nice half-phase visible.

1832 MST: Relaxed on the observatory patio bench.


photo

1938 MST: Sunset. Calm now. Prepared the D850 DSLR camera for imaging. Viewed Venus, 102X. Then returned to the bench to watch the stars come out.

2013 MST: Dome OFF.

2045 MST: Back in the observatory. Resumed my Milky Way Globular Clusters Project.

Observed NGC6139 (globular cluster), 102X.

Mounted the D850 DSLR at prime focus, focused on Antares, and locked the 12" telescope primary mirror.

2056 MST: High Precision ON.

2058 MST: StarLock ON.

NGC6139 (globular cluster), StarLock autoguided, 1 minute, ISO 6400.

photo

2107 MST: High Precision OFF, Wi-Fi ON.

Used SkySafari 7 Pro on the iPhone 15 Pro Max to GOTO these globular clusters. StarLock autoguided images, ISO 6400, 2 minutes, except for NGC6325 (1 minute) and Palomar 14 (3 minutes).

Terzan 3
photo

ESO452-SC11
photo

NGC6256
photo

Palomar 15
photo

NGC6325
photo

Palomar 14
photo

2200 MST: The rising waning gibbous Moon began brightening the sky just as I was completing the imaging.

2221 MST: StarLock OFF, Wi-Fi OFF.

2227 MST: LX600 OFF.

2233 MST: Dome ON.

Close: Thursday, 2 July 2026, 2240 MST
Temperature: 71°F
Session Length: 4h 19m
Conditions: Clear


Comments are welcome using Email. Please read the Email Etiquette guidance.


Previous report

Cassiopeia Observatory Home Page

Back to Top


Copyright ©2026 Michael L. Weasner / mweasner@mac.com.
URL = http://www.weasner.com/co/Reports/2026/07/03/index.html