Date   
Interesting Back Spacing for 130GTX. Is this far off spec considered normal, and does it even matter? By Roland Christen · #86102 ·
New Image: Sh2-155 aka The Cave aka Caldwell 9 with my AP155 By Roland Christen · #86099 ·
Interesting Back Spacing for 130GTX. Is this far off spec considered normal, and does it even matter? By Roland Christen · #86098 ·
Interesting Back Spacing for 130GTX. Is this far off spec considered normal, and does it even matter? By Roland Christen · #86094 ·
Interesting Back Spacing for 130GTX. Is this far off spec considered normal, and does it even matter? By Roland Christen · #86091 ·
Moon slivers By Roland Christen · #86052 ·
A quick Draco Triplet By Roland Christen · #86040 ·
Chasing Sun Slivers By Roland Christen · #86030 ·
A quick Draco Triplet By Roland Christen · #86029 ·
A quick Draco Triplet By Roland Christen · #86027 ·
A quick Draco Triplet By Roland Christen · #86025 ·
A quick Draco Triplet By Roland Christen · #86020 ·
A quick Draco Triplet By Roland Christen · #86017 ·
Rule of Thumb for refocusing an AP160 as a function of temperature change? By Roland Christen · #85993 ·
Rule of Thumb for refocusing an AP160 as a function of temperature change? By Roland Christen · #85992 ·
Today's APOD By Roland Christen · #85969 ·
Composite of Lunar Eclipse from May 26'21 By Roland Christen · #85960 ·
Today's APOD By Roland Christen · #85959 ·
[ap-gto] Will the Mach 2 support ..... By Roland Christen · #85936 ·
Will the Mach 2 support ..... By Roland Christen · #85934 ·
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