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Re: 1957 Comet

I believe that both tails, oriented at 180 degrees, were ion tails, and
that the smaller, fore generated tail was created by a jet of gas that
was created when the sun sublimed that particular area of the nucleus. I
have not seen photos of a distinct gas and dust tail with Arend-Roland.
Both are listed as 1957 comets but one may have been at the end of the year.

On Tue, 26 Mar 1996 KARSHNER@STMARYTX.EDU wrote:

I think the comet you were thinking of was Arend-Roland, but I don't
remember it as large. I just remember finding it in a small telescope and being
able to discern its two tails. They stuck out on opposite sides of the coma. It
was coming in our direction and the ion and dust tails were well separated.
pictures of it look a little like a narwhale.
I hope this helps.
P.S. I hope things warm up as this comet is quit a site, we have a thunder
storm that is ending our drought. Truely a mixed blessing.

Tom K. McCarthy