Thom gives this line, Sanctuary - Silbury, as possessing a declination of +28.4. My NASA moontable gives the moon's declination, at midnight tomorrow night, as +28 22 52 - pretty darn close. It's a pity the weather forecast isn't better, but there must be a chance of seeing it, and, perhaps, even photographing it. The Chinese proverb 'a picture is worth more than a thousand words' could be revised upward in this case.