COMMISSION 27 OF THE I. A. U
     INFORMATION BULLETIN ON VARIABLE STARS
                  NUMBER 238

                             Konkoly Observatory
                             Budapest
                             1967 December 7


   THREE-COLOR OBSERVATIONS OF NOVA DELPHINI 1967


Observations of Nova Delphini 1967 were made with the 28-in. reflector of the
Flower and Cook Observatory using the elbow photometer at the Cassegrain focus
with the recommended U, B, V filters.

The comparison star was BD+19d4484 (V=6.29; B-V=+0.63, U-V=+0.72) and standard
stars were observed on three nights.

OBSERVATION DATA

JD (2439700+)   V     B-V     U-V

66.6638      +4.60   +0.41
66.6791      +4.60   +0.40
76.6257      +5.05   +0.42   +0.17
83.6263      +4.91   +0.34
90.5513      +4.74   +0.29   +0.15
94.5725      +4.50   +0.38   +0.20


IL-SEONG NHA
Flower and Cook Observatory
University of Pennsylvania
Philadelphia, Pa.
U.S.A.




PHOTOELECTRIC OBSERVATIONS OF NOVA DELPHINI (III)


Stokes Observatory, Hudson, Ohio

Date        J.D.
1967        2439      Magn.

Sept.10     744.6     4.92
Sept.11     745.7     4.87
Sept.13     747.6     4.92
Sept.15     749.6     4.85
Sept.18     752.6     4.66
Sept.24     758.6     4.81
Sept.25     759.6     4.89
Sept.26     760.6     4.87
Oct.  1     765.7     4.87
Oct.  2     766.6     4.90
Oct.  3     767.7     4.89
Oct.  4     768.6     5.01
Oct.  5     769.6     5.05
Oct.  6     770.7     5.11
Oct. 12     776.6     5.15
Oct. 14     778.6     5.17
Oct. 23     787.7     4.98
Oct. 30     794.5     4.78

Lovell Observatory, Chagrin Falls, Ohio

Date        J. D.
1967        2439      Magn.

Sept. 1     735.6     4.94
Sept. 2     736.7     4.99
Sept. 3     737.6     4.96
Sept. 4     738.6     4.95
Sept. 6     740.6     5.05
Sept.10     744.6     4.86
Sept.11     745.6     4.88
Sept.24     758.5     4.62
Sept.25     759.6     4.96
Sept.26     760.6     4.89
Oct.  1     765.5     4.84
Oct.  2     766.5     4.93
Oct.  3     767.5     5.03
Oct.  6     770.5     4.98
Oct. 23     787.6     4.87

The comparison star for both sets of observations was G.C. 28 766
(5.^m9 A0).


ARTHUR J. STOKES
Hudson, Ohio
U.S.A.