M 75 (NGC 6864, GCL 116) Globular Cluster in Sagittarius

Located at: RA 20 hours 06 minutes 05 seconds, Dec -21 degrees 55 minutes 17 seconds

Size: 6.8' Magnitude: 8.6 Class: 1

North is up

West to the right


 14.5" f5 Newtonian reflector stopped to f6 (12")


Miranda Laborec 35mm camera, ST4 guided, hypered Kodak Technical Pan 2415 film, 39 F outside temp


No filter, 70 minutes, 09/21/2001


D-19, 7.0 minutes @ 68F, 35mm negative scanned with Polaroid SprintScan 4000 (4000 dpi)

Scan is a crop from 35mm negative, scan processed in Photoshop CS5.1


 Mt Pinos, CA

Notes: This is one of the Messier objects not currently 'visible' from my Thousand Oaks observatory ... In an effort to 'fill in' my Messier images page, I will post what film images I have. My film scanner is not presently hooked up, so I am using scans made for my old film website from the early 2000's. See the 14.5" ccd version.

Most of the film scans from the 14.5" f5 Newtonian reflector were centered on the object of interest, and were generally scanned to file as a 2000 x 2000 pixel crop of the 35mm negative.

Reduced in Photoshop to 1600 pixels, and saved under "Save for Web & Devices".

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 6864
NGC 6864 = M75 = E595-SC13
20 06 04.7 -21 55 16
V = 8.6;  Size 6.0

17.5" (7/14/93): bright, moderately large, 3' diameter, round, very bright 
striking core 30" diameter, very mottled.  Several extremely faint 15th mag 
stars pop in and out of view with averted vision in outer halo.  A mag 14 star 
is in the inner region just NE of core.  The cluster almost reaches four mag 
12.5-13 stars which cradle the globular on the south and NE sides and a fainter 
star is off the NW side.

- by Steve Gottlieb