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RA: 21h 05m 50.1s
Dec: +18° 28′ 6″
Ch: MSA:1215, U2:165, SA:16
Type: galaxy, S
Mag: B=?, V=?
Size: 0.8′ x 0.4′
NGC 7028. This may be lost. There is certainly no nebula near Marth's place, even though he claims to have verified the object. The closest candidate object is a triple star well to the southwest. Since there is no large systematic offset (in Marth's positions from the modern positions) for the other four objects that he found the same night (N7025, N7033, N7034, and N7056), I don't believe that the triple is Marth's object.
A possible candidate is CGCG 448-039. It matches Marth's scanty description (very faint, small, very little extended), and the declination is the same, but the RA is over 2.5 minutes of time off. However, the large non-digit difference makes the identity difficult to accept, so I've put a question mark on it in the main table.
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NF DC.
The Messier objects
The Bennett objects
The Caldwell list
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